Charlie Collier, Snoop for Hire: The Homemade Stuffing Caper

This book is about Charlie Collier, a kid whose talent for solving mysteries makes him stand out from other kids his age. Charlie, who together with his friend Henry has a small business cracking cases for classmates, comes upon a hard case. Exotic birds are vanishing from local bird centers. After hard work, long investigations and multiple dead ends, the culprit is discovered. And it is someone no one would have guessed!